Brake mechanism for vehicles



May 27, 1 93 0. B, STOCKFLETH ET AL I 1,759,963

BRAKE MECHANISM FOR VEHICLES Filed April 29. 1926 2 Sheets-Sheet l Mayg7 1930. a. STOCKFL ETH ET AL 1,759,963

7 BRAKE MECHANISM FOR VEHICLES I Filed April 29, 1.926 zgsheets-rsheet 2 'motidnjofthe actuating lever-.52 under pedal 7 'peration. Considered" in; another way, the

i upper arm ofthe emergency1ever-I32 andthe {a socket ,itherehetween which the end of thesectorf'? 5 '-is'1eXtended-. Tlhe latching dog 74 isreleasedthrough a latch releasing rod 78, which extends up alongside of the handlever 32 and' carries a latch releasing button? 9 at its upperlendn The lower (portion of thislat'chreleasingr'od is guided in a bossonaperturedIug SIje ten'ding from nection' with this'latchf flreleasing rod-@178 for I i 1 i normally moving the'latching dog -74 into the teeth ofthe sector 75. r a

fixed shoulder'on lugf83 is, extended laterally and upwardly from the front side of 1 thelever arm" 51fto extend across" the front side of the manually; operated;,fifor'r eme'r gency lever 32 at a poin't above thiegco'nimon pivot 53. This'lug afi'ordsfa"lost-motion coni V by the emergency lever when the latteris thrustj-torwardly fs'oasto causeboth levers to movefas one, ghut permitting independent 7 actuating -lever',52 constitute two. ,parts of a motion can be transm1tted1iro n-the emer:

broken "lever throughwhich brake actuating gency lever, and throughflthe flower part of "which brake "actuating. motion can The trans-v ,nnaedfiem-nm br'akcp dal',"Obviously',in

the operation of the'emergenoy lever eaany settin'g given thisleverx-will {be remineajby v the dog 74=andsector-7511ftliisjsetting of 1 the emergency'lever is incapable of applying -sutficient braking retardation to the; vehicle, additional braking ,r 'efi'ortjean be applied, f. through the foot pedahand when such e'flort': 'is'releas'ed the setting I emergenc'yllever will fi e; restored. By "this construction, therefore, the operator may partially set the brake b'y'means of the ernergency lever andjlatch'itin such position, and' p then; obtain suehad'ditional braking 'efi'e'ct as mayberequire'd by means of thepedal.

'While the' foregoing description and-drawv ingsydisclose an embodiment. of our-invenl Ition1which"we,deem' preferable, it will of r. 1

Well-the rake byathe same, a pedal, connecting means operativelyfj. ,connectingthe: pedal with said brakefaetuat inglever and"com-prisinga lost motion con nection, a-notched sector, an emergency levers-f 1 l pivoted concentrically with said "brake ac f b tuatin-g lever, a latching dog carried by said emergencylever adapted'to engagefsaidfsec- I gency lever fo'r causing bothofsaidlevers "is moved toward brake engaging. posif 2; In brake inechanismj for lvehiclesy-thef combination ofa propeller shaft brake, a

ed concentrically with said brake actuating lever, a fixed shoulder carried by said lorake actuating lever and extending across the path" I V l of and adapted to be engaged by said- .n1an a j."

[combination of a propellershaftbrake, a

brakeac t'uating lever, means operatively cong- 1am for latching said lever, anda fi xedshoula der projecting from said 'brake'" actuatin'g lever into the path of movement, of-said emert i brake actuating lever, [means .oper'ative'ly v 2 connecting said lever withsaid brake,.a brake a pedal having a lostfinotion connectionwithf a I p said lever, a manually ,operablelever' mount nection betweenvthe emergency lever 32' and i the brake actuating lever 52; being engagedlatching'me'ans associated with said manually 1 perablelever-forlatching the same in brake I ,7

nectin'g said brake actuating leverwithsaid propeller shaft brake, afbrake pedal, afpiv-i '7 otal support for said pedal, said support be ing ofisetyairelatively great rismneorq v j war dlyof ,the' tread ,portionof the pedal,'a p I linkageconnecting said pedal with said brake concentrically -with said brake actuating 'actuatingilever, an emergeney lever pivoted a 1 7 lever,' .anda fixed shoulder on said brake actuating lev'er extending acrossthe path of .and'adapted to be engagedfby said emergency 1 i i" leverwhen saidlever is' rnoved toward brake; setting position.

a .BERGER I course-bef-understoodthatthe'finvention is I 55f1clai1ns"may'bedrawn'to SpeclfiO features of .f Y

arrangement, but includes generieally' the in described and shown, 7 except in so "far as subject matter of the broader claims". v

i I not limited to the specific ar rangernent there- Whatfwe claim as new and desiretoseour'e by Letters Patent' 'oflthe United States, is:'

-1. In brake ine chanisnr for vehicles, the

initting motionfrom said' brake actuating e e id brake @PP tI Q i STO KFLETH; FREDERICK BURGER-.1 

